APA-referens (7:e uppl.)

London Centre for Psychotherapy, ebrary, Inc, & Bishop, B. (2002). Challenges to practice. Karnac.

Chicago-referens (17:e uppl.)

London Centre for Psychotherapy, Inc ebrary, och Bernardine Bishop. Challenges to Practice. London ; New York: Karnac, 2002.

MLA-referens (9:e uppl.)

London Centre for Psychotherapy, et al. Challenges to Practice. Karnac, 2002.